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OpenStudy (vera_ewing):

How do you know that a double replacement reaction is a chemical change and not a physical change?

OpenStudy (vera_ewing):

@peachpi

OpenStudy (anonymous):

chemical changes are things like formation of a solid or gas and temperature. physical changes are like changes of state or dissolving/dissassociation

OpenStudy (vera_ewing):

Okay thanks! :)

OpenStudy (anonymous):

np

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